Process for synthesizing squaraine compositions

Details Process for synthesizing squaraine compositions Process for synthesizing squaraine compositions

C - Chemistry, Metallurgy

09

B

260/509.7, 260/5

C09B 57/00 (2006.01)

Patent

CA 1225663

ABSTRACT An unsymetrical squaraine composition, process for synthesizing the unsymetrical squaraine composition, devices containing the unsymetrical squaraine composition, and methods of using the devices. The process for synthesizing the unsymetrical squaraine composition comprises forming a mixture comprising squaric acid, a long chain primary alcohol, a first tertiary amine, and a second tertiary amine different from the first tertiary amine, and heating the mixture in vacuo below the boiling points of the primary alcohol, the first tertiary amine and the second tertiary amine to form an unsymetrical squaraine composition. The novel unsymetrical squaraine composition synthesized by this process may be used in electrostatographic imaging members comprising a supporting substrate and a photoconductive layer comprising the novel unsymetrical squaraine composition. These electrostatographic imaging members may be utilized in an electrostalographic imaging processes.

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